Who introduced the rice to the new world

Which factor contributed to the rise of african empires such as ghana and mali ? a. their creation and involvement in trade networks b. they focused only on agricultural production. c. they didn’t engage in warfare with other nations d. their geographic location protected them from attacks.

Which of these cities would be found in the most densely populated area on northern section of the map? a) beijing b) seoul c) shanghai d) tokyo

Your family is planning a cruise vacation to the caribbean. you were planning on going in july, but you heard july is hurricane season.why do you think there are more hurricanes during the summer? when would be a safer time to visit?